#region Apache License
//
// Licensed to the Apache Software Foundation (ASF) under one or more 
// contributor license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright ownership. 
// The ASF licenses this file to you under the Apache License, Version 2.0
// (the "License"); you may not use this file except in compliance with 
// the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#endregion

using System;

namespace log4net.Util.TypeConverters
{
  /// <summary>
  /// Attribute used to associate a type converter
  /// </summary>
  /// <remarks>
  /// <para>
  /// Class and Interface level attribute that specifies a type converter
  /// to use with the associated type.
  /// </para>
  /// <para>
  /// To associate a type converter with a target type apply a
  /// <c>TypeConverterAttribute</c> to the target type. Specify the
  /// type of the type converter on the attribute.
  /// </para>
  /// </remarks>
  /// <author>Nicko Cadell</author>
  /// <author>Gert Driesen</author>
  [AttributeUsage(AttributeTargets.Class | AttributeTargets.Interface | AttributeTargets.Enum)]
  public sealed class TypeConverterAttribute : Attribute
  {
    #region Member Variables

    /// <summary>
    /// The string type name of the type converter
    /// </summary>
    private string m_typeName = null;

    #endregion

    #region Constructors

    /// <summary>
    /// Default constructor
    /// </summary>
    /// <remarks>
    /// <para>
    /// Default constructor
    /// </para>
    /// </remarks>
    public TypeConverterAttribute()
    {
    }

    /// <summary>
    /// Create a new type converter attribute for the specified type name
    /// </summary>
    /// <param name="typeName">The string type name of the type converter</param>
    /// <remarks>
    /// <para>
    /// The type specified must implement the <see cref="IConvertFrom"/> 
    /// or the <see cref="IConvertTo"/> interfaces.
    /// </para>
    /// </remarks>
    public TypeConverterAttribute(string typeName)
    {
      m_typeName = typeName;
    }

    /// <summary>
    /// Create a new type converter attribute for the specified type
    /// </summary>
    /// <param name="converterType">The type of the type converter</param>
    /// <remarks>
    /// <para>
    /// The type specified must implement the <see cref="IConvertFrom"/> 
    /// or the <see cref="IConvertTo"/> interfaces.
    /// </para>
    /// </remarks>
    public TypeConverterAttribute(Type converterType)
    {
      m_typeName = log4net.Util.SystemInfo.AssemblyQualifiedName(converterType);
    }

    #endregion

    /// <summary>
    /// The string type name of the type converter 
    /// </summary>
    /// <value>
    /// The string type name of the type converter 
    /// </value>
    /// <remarks>
    /// <para>
    /// The type specified must implement the <see cref="IConvertFrom"/> 
    /// or the <see cref="IConvertTo"/> interfaces.
    /// </para>
    /// </remarks>
    public string ConverterTypeName
    {
      get { return m_typeName; }
      set { m_typeName = value; }
    }
  }
}
